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- Lab number
- Beta-225936
- Material dated
- Sediment
- Type of date
- Archaeological
- Locality
- Moffat
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 3580 ± 40
- δ13C (per mil)
- -22.9
- Context
- PD 265.6.8. Feature 22. AMS date on organic sediment. This feature was a large, darkly stained deposits whose W edge was 1 m E of Structure 1. It was originally thought to be a basin house, but subquent excavation suggested it was an extramural activity area. It meas. 6 x 2.4 m in dia., 20-30 cm deep. Two radiocarbon-dated hearths in the feature (Features 6 and 2) have noncontemporaneous 14C dates. Feature 6 is assigned to Component 4 as is Feature 22; Feature 2 is assigned to Component 3. The lowest levels of Feature 22 are assigned to Component 3, with the upper level assigned to Component 4. The separation of the 2 components is based primarily on the depth of the 14C-dated sample from the fill of Feature 22. Component 3 artifacts: 2 expedient tools (bifacial thinning flakes of Morgan-Madison chert); 1 mano frag.; 33 pieces of debitage, 34 bones and frags, 6 of which are Canis sp. frags. Feature is interpreted as an extramural activity area assoc. with the occupation of Structure 1. The area may also have been used as a disposal area for garbage resulting from hearth cleaning, tool manufacture and maintenance, and craft production. The portions of Feature 22 assigned to Component 4 yielded 6 FSTs (including 2 proj pts, 1 biface, 1 formal scraper, and expedient tools), 2 cores, 1 hammerstone, 8 mano frags., and 2 indeterminate GS frags. A total of 194 pieces of debitage also found. The numerous artifacts suggest that a variety of processing and manufacturing tasks took place within the activity area. Bone included pronghorn, deer/pronghorn, rabbit-sized animals.
- Additional information
- AMS